Jing Yang, his classmate Angelina and his cousin Tim team
up to solve a mystery about hidden treasure in an underground
bunker which was built during World War Two.

A history dropout from a local university has been searching
for the treasure for many years. The teenagers must find the
treasure first – before he does. They stumble into a secret
tunnel beneath the bunker with help from two spirits haunting
the bunker since World War Two.

Just when they lay eyes on the gold bars hidden in the secret
tunnel, who else but the history dropout should turn up behind
them, startling them...